life jacket

From Longman Dictionary of Contemporary EnglishRelated topics: Waterldoce_201_alife jacketˈlife ˌjacket noun [countable] British English     Image of life jacket TTWa piece of clothing that can be filled with air and worn around your upper body to stop you from sinking in the water SYN life vest American EnglishExamples from the Corpuslife jacketSchool was very important, a life jacket in chaos.Despite my life jacket, I was pinned under water by the down-surging river hydraulic.